CCPortal

浏览/检索结果: 共10条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Integration and tradeoffs 科技报告
报告编号: 70204117, , 2019
作者:  Crist, Michele;  Prentice, Karen;  Chambers, Jeanne C.;  Phillips, Sue;  Wiechman , Lief A.
Adobe PDF(16345Kb)  |  收藏  |  浏览/下载:73/25  |  提交时间:2019/11/06
Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载:69/41  |  提交时间:2019/11/06
Understanding the influence of nutrients on stream ecosystems in agricultural landscapes 科技报告
报告编号: 70191220, 页数: 92, 2018
作者:  Munn, Mark D. mdmunn@usgs.gov;  Frey, Jeffrey W. jwfrey@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Duff, John H. jhduff@usgs.gov;  Lee, Kathy E. klee@usgs.gov;  Maret, Terry R. trmaret@usgs.gov;  Mebane, Christopher A. cmebane@usgs.gov;  Waite, Ian R. iwaite@usgs.gov;  Zelt, Ronald B. rbzelt@usgs.gov
Adobe PDF(18305Kb)  |  收藏  |  浏览/下载:44/11  |  提交时间:2019/11/06
Monitoring the water-quality response of agricultural conservation practices in the Bucks Branch watershed, Sussex County, Delaware, 2014–16 科技报告
报告编号: 70195046, , 2018
作者:  Denver, Judith M. jmdenver@usgs.gov;  Soroka, Alexander M.;  Reyes, Betzaida breyes@usgs.gov;  Lester, Todd R.;  Bringman, Deborah A.;  Brownley, Michael S. msbrownl@usgs.gov
Adobe PDF(8711Kb)  |  收藏  |  浏览/下载:53/23  |  提交时间:2019/11/06
Southern Rockies Landscape Conservation Cooperative unit watershed erosion potential prioritization for check-dam installation 科技报告
报告编号: 70198528, , 2018
作者:  Ironside, Kirsten E. kironside@usgs.gov
Adobe PDF(7641Kb)  |  收藏  |  浏览/下载:10/1  |  提交时间:2019/11/06
SWB Version 2.0—A soil-water-balance code for estimating net infiltration and other water-budget components 科技报告
报告编号: 70195983, , 2018
作者:  Westenbroek, Stephen M. smwesten@usgs.gov;  Engott, John A. jaengott@usgs.gov;  Kelson, Victor A.;  Hunt, Randall J. rjhunt@usgs.gov
Adobe PDF(9963Kb)  |  收藏  |  浏览/下载:40/16  |  提交时间:2019/11/06
Southern Great Plains Rapid Ecoregional Assessment—Volume II. Species and assemblages 科技报告
报告编号: 70198779, , 2018
作者:  Reese, Gordon C. greese@usgs.gov;  Carr, Natasha B. carrn@usgs.gov;  Burris, Lucy E. lburris@usgs.gov
Adobe PDF(9648Kb)  |  收藏  |  浏览/下载:65/11  |  提交时间:2019/11/06
Groundwater quality, age, and susceptibility and vulnerability to nitrate contamination with linkages to land use and groundwater flow, Upper Black Squirrel Creek Basin, Colorado, 2013 科技报告
报告编号: 70164631, , 2016
作者:  Wellman, Tristan P.;  Rupert, Michael G. mgrupert@usgs.gov
Adobe PDF(65489Kb)  |  收藏  |  浏览/下载:10/3  |  提交时间:2019/11/06
Conditions and processes affecting sand resources at archeological sites in the Colorado River corridor below Glen Canyon Dam, Arizona 科技报告
报告编号: 70170166, , 2016
作者:  East, Amy E.;  Collins, Brian D. bcollins@usgs.gov;  Sankey, Joel B. jsankey@usgs.gov;  Corbett, Skye C.;  Fairley, Helen C.;  Caster, Joshua J. jcaster@usgs.gov
Adobe PDF(30066Kb)  |  收藏  |  浏览/下载:94/17  |  提交时间:2019/11/06
An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley 科技报告
报告编号: 70171549, 页数: 136, 2016
作者:  Leslie,, David M. Jr. cleslie@usgs.gov
Adobe PDF(9539Kb)  |  收藏  |  浏览/下载:22/3  |  提交时间:2019/11/06